The Planets
The Universe
Name the astronomer
Vocab
The Moon
100
Earth
What is the 3rd planet?
100
Gerald Kuiper
Who discovered the Kuiper belt ?
100
Issac Newton
Who discovered gravity?
100
An imaginary line
What is an axis
100
67
How many moons does Jupiter have?
200
67
How many moons does Jupiter have?
200
A dirty snowball
What is the nickname for a comet?
200
Gerald Kuiper
Who discovered the Kuiper belt?
200
The path that planets follow.
What is an orbit?
200
Lunar
What is the nickname for the moon?
300
Mercury
What is the smallest planet?
300
Orbit and seasons
What do all planets have in common?
300
Michael Meyer
Who discovered terrestrial planets?
300
The length between the two crests.
What is a wavelength?
300
Venus
What planet is closest to the sun?
400
Jupiter
What is the biggest planet?
400
Venus
What planet is the hottest?
400
Carl Sheele and Joesph Priestly
Who discovered oxygen?
400
A celestial body moving in an elliptical
What is a planet?
400
Neptune
What is the farthest planet from the moon?
500
The tilt of an axis
What causes seasons?
500
Meteorite
What is a meteor called when it enters Earth's atmosphere?
500
Galileo Galilei
Who discovered Jupiter's 67 moons?
500
Mercury,Venus,Earth,Mars
What is a terrestrial planet?
500
When the moon passes directly behind Earth
What is a lunar eclipse?